Camera and method for detecting an object
AssigneeSick AG
InventorsKatharina Bleicher, Romain Müller, Richard Nopper, Jan Mahler
Life of this patent
Estimating the term…
Abstract
A camera for detecting an object in a detection zone is provided that has an image sensor having a plurality of light reception elements for the generation of image data from received light from the detection zone), a reception optics having a focus adjustment unit for setting a focal position, with an angle of incidence of the received light on the image sensor changing on a change of the focal position, and a control and evaluation unit that is configured to set the focal position for a sharp recording of image data of the object, A sensitivity change of the capturing of the image data caused by the respective angle of incidence of the received light is compensated.
Claims17
A camera for detecting an object in a detection zone, comprising:
- an image sensor having a plurality of light reception elements for the generation of image data from received light from the detection zone;
- reception optics having a focus adjustment unit for setting a focal position, wherein a change in the focal position of the reception optics results in a change of an angle of incidence of the received light on the image sensor, the reception optics further comprising a pivotable deflection mirror, wherein pivoting of the pivotable deflection mirror changes the focal position and correspondingly changes the angle of incidence of the received light, and wherein the pivotable deflection mirror is positioned between a lens of the reception optics and the image sensor;
- and
- a control and evaluation unit that is configured to set the focal position for a sharp recording of the image data of the object,
- wherein the control and evaluation unit is further configured to dynamically compensate for a change in sensitivity of capturing of the image data caused by the change of the angle of incidence of the received light resulting from the change in the focal position.
A method of detecting an object in a detection zone, comprising:
- generating image data from received light from the detection zone using an image sensor having a plurality of light reception elements;
- setting a focal position of reception optics using a focus adjustment unit for a sharp recording of the image data of the object, wherein a change in the focal position of the reception optics results in a change of an angle of incidence of the received light on the image sensor, the reception optics further comprising a pivotable deflection mirror, wherein pivoting of the pivotable deflection mirror changes the focal position and correspondingly changes the angle of incidence of the received light, and wherein the pivotable deflection mirror is positioned between a lens of the reception optics and the image sensor;
- and
- dynamically compensating for a sensitivity change of capturing of the image data caused by the change of the angle of incidence of the received light resulting from the change in the focal position.
Dependencies are inferred from the claim text.